目的：为制备平痛新包衣微丸提供良好的底物。
OBJECTIVE: To provide good basis for preparing Nefopam coated pellets.
目的：为制备新型复合血管，对内皮细胞的体外培养进行研究。
Purpose: For preparing the new biosyntbetic vascular graft, endothelial cell culture in vitro was studied.
该研究为制备高活性、高选择性的合成吡啶催化剂提供了理论依据。
The study provides a theoretical base for preparing high activity and high selective catalyst for pyridine synthesis.
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